Photosynthesis Reading Worksheet - Free Printable

Let's solve each part of the worksheet "Leaves: The Food Factory of Plants" step by step and provide clear explanations.

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1. Fill in the blanks.

a. ______ are called the food factory of a plant.
✔ Answer: *Leaves*
🔹 Explanation: Leaves are known as the "food factory" of plants because they carry out photosynthesis, the process by which plants make their own food using sunlight, carbon dioxide, and water.

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b. Chlorophyll traps ______ .
✔ Answer: *Sunlight*
🔹 Explanation: Chlorophyll is the green pigment in leaves that absorbs sunlight, which provides the energy needed for photosynthesis.

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c. The extra food of plants are stored as ______ .
✔ Answer: *Starch*
🔹 Explanation: During photosynthesis, plants produce glucose (a type of sugar). Excess glucose is converted into starch and stored in roots, stems, or other parts for later use.

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d. ______ are the smaller tubes that are attached to the midrib of a leaf.
✔ Answer: *Leaf veins* (or *veins*)
🔹 Explanation: Leaf veins are tiny tubes that transport water, minerals, and food within the leaf. They branch out from the midrib, which is the central supportive structure of the leaf.

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2. Give answer in one word.

a. A non-green plant that feeds on dead and decaying plants and animals for food.
✔ Answer: *Fungus*
🔹 Explanation: Fungi are non-green organisms that cannot make their own food. They absorb nutrients from dead and decaying matter — this is called saprophytic nutrition.

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b. Tiny opening in the leaf for performing exchange of gases in plants.
✔ Answer: *Stomata*
🔹 Explanation: Stomata (singular: stoma) are small pores on the surface of leaves that allow gas exchange — intake of carbon dioxide and release of oxygen during photosynthesis.

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c. A substance which is responsible for the green colour of leaves.
✔ Answer: *Chlorophyll*
🔹 Explanation: Chlorophyll is the green pigment present in chloroplasts of plant cells. It gives leaves their green color and plays a key role in capturing light energy.

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3. Define.

a. Photosynthesis
✔ Definition: The process by which green plants use sunlight, carbon dioxide, and water to produce their own food (glucose) and release oxygen.
🔹 Formula:
$$
\text{Carbon dioxide} + \text{Water} + \text{Sunlight} \xrightarrow{\text{Chlorophyll}} \text{Glucose} + \text{Oxygen}
$$

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b. Midrib
✔ Definition: The central, thick vein running along the length of the leaf, providing structural support and transporting water and nutrients.

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c. Insectivorous plants
✔ Definition: Plants that catch and digest insects to obtain nutrients, especially nitrogen, which may be lacking in their soil. Examples: Venus flytrap, pitcher plant.

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4. Identify the correct word from the following statement.

*(Note: This question seems incomplete in your image — there is no statement provided. Please check if the full text was uploaded. However, if it's missing, here’s an example of how such a question might look and be answered:)*

👉 Example: *"The process by which plants make their own food using sunlight is called ______."*
✔ Answer: *Photosynthesis*

If you can provide the actual statement for Question 4, I’d be happy to help with that too!

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✔ Final Answers Summary:

#### 1. Fill in the blanks:
a. Leaves
b. Sunlight
c. Starch
d. Leaf veins

#### 2. One-word answers:
a. Fungus
b. Stomata
c. Chlorophyll

#### 3. Definitions:
a. Photosynthesis – Process where plants make food using sunlight, CO₂, and water.
b. Midrib – Central vein of a leaf for support and transport.
c. Insectivorous plants – Plants that trap and digest insects for nutrients.

#### 4. *(Please provide the full statement for accurate answer.)*

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